customizing_attribute_partials.md in administrate-0.12.0

- old
+ new

@@ -8,10 +8,10 @@
 - `date_time`
 - `email`
 - `has_many`
 - `has_one`
 - `number`
-- `polymporphic`
+- `polymorphic`
 - `select`
 - `string`
 - `text`
 
 For example, you might want all `Number` values to round to three decimal points.